化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
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根号2sin(x+π/4)化简
化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
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f(x)=2sinπ/4cosπ/4-2根号3sin^2π/4+根号3
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函数f(X)=sin(2x-π/4)-2根号2sin^2x的最小值